any technology requiring the most sophisticated scientific equipment and advanced engineering techniques, as microelectronics, data processing, genetic engineering, or telecommunications ( opposed to low technology ).
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
a chattering or flighty, light-headed person.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.